Volume 13, Issue 47 (4-2009)
jwss 2009, 13(47): 601-610 |
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Mohamad Dost CHamanabad H, Asghari A. The Effect of Crop Rotation, Mineral Fertilizer Application and Herbicide on Weed Control in Winter Rye. jwss 2009; 13 (47) :601-610
URL: http://jstnar.iut.ac.ir/article-1-1079-en.html
URL: http://jstnar.iut.ac.ir/article-1-1079-en.html
, hr_chamanabad@yahoo.com
Abstract: (28701 Views)
The recent years' problems of herbicide use have led a growing number of researchers to seek alternative methods that are less reliant on herbicides. This research was conducted to determine the effect of long-term crop rotation, mineral fertilizer and herbicide on the weed infestation and grain yield of winter rye during 2004 and 2005 at the long-term experimental site of the University of Timiriazev, Moscow. Treatments were control (no weed control), herbicide, combined fertilizer (NPK) and NPK plus herbicide in field winter rye cultivated in continuous and crop rotation with other crops since 1912. Crop rotation significantly decreased weed density and dry mass. Long-term NPK application significantly decreased weed density, but had not any effect on weed dry mass. Crop rotation, NPK application and herbicide increased ground crop cover and decreased ground weed cover. In continuous crop, weed ground cover was 10 % in control plot and 3.33 % in plots where NPK was applied. Data showed that long-term crop rotation and NPK application can reduce weed infestation and increase grain yield of winter rye.
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